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After the foaming agent is applied, it can stay for a period of time to solidify the foaming agent, so that it can play a full role. After solidification, the excess foaming agent on the edge can be cleaned with a spatula.
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Finally, a special tool is required to trim the blowing agent to make the edges of the windows more aesthetically pleasing.
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Take a break from foaming first, then clean the window frame and window sill, clean the window frame and window sill and then apply sealant, and be sure to check it again after the sealant is applied to see if there is any place to open the glue.
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After the foaming agent is finished, remember to let the installation master after drying, inside and outside are playing a circle of structural glue, be sure to see if it is all sealed, the glue should be made of neutral silicone weather-resistant glue, this glue is more stable, more suitable for exterior walls, can not be aged for a long time, no cracking, no weathering. After the foaming agent is filled, the excess foaming agent should be removed, and then the gap between the window and the wall should be filled with cement mortar in layers, and cured for more than 7 days. It is recommended to use the solid central wall and floor interface treasure to mix cement mortar to fill to strengthen the waterproof effect, so as to avoid water from seeping into the interior wall and affecting normal living.
Try to choose the same color as the wall or window, so that the integrity of the structural adhesive and the wall or window will be better. Try to apply the structural adhesive in one go to avoid intermittentness, although the aesthetics will be weakened. The sealant between the main frame of the window and the wall must be evenly and dense, and ensure that the sealant and the wall are also reliably bonded.
In this way, we can ensure that our windows will not leak water, air leakage, etc. After the styrofoam is hardened, the surface is uneven, and the gap between the window frame and the wall is also unsightly, in this case, the most common way is to wrap a window sleeve around the window. Wooden window coverings are usually wrapped around the sides and top of the windows, and marble countertops are laid under the windows.
When cutting indoor and outdoor polyurethane foaming agent, if you find that there is a position where the foaming agent is not filled, you must make up for it, and you can pick up the foam plug that is cut off indoors, and you must use polyurethane foaming agent to fill it when it is not outdoors. The commonly used treatment method is to cut the foaming agent to be flush with the window frame, then paint the window with cement mortar, and finally treat the combination of the window frame and the cement mortar with sealant.
Styrofoam is a stain with strong adhesion, and the removal method is as follows: it is not recommended to use corrosive liquids such as 84 disinfectant or banana water, which may not only burn the surface of the tile, but also discolor the surface, and will also have a certain impact on health.
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Pour some water and rub it with a tool, or by hand, to help create more bubbles. When the amount of foam is large, use a brush to scrub it, and brush it clean and rinse.
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After applying foaming agent to the window, we can wait for it to sit for a while, and then use a knife to scrape off the excess, which will look more beautiful.
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It should be scraped off, and some of the protruding foaming agent should be scraped off, which will be more beautiful.
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When the door frame and the wall are fixed, it is not the same, and the professional master will use the standard size of the straight angle does not match, which will cause different degrees of gaps on all sides; The blowing agent is mainly to fill the transition structure of the door frame, window frame and wall, which should not only be suitable for fixing on the wall, but also suitable for the door frame and window frame to be firmly fixed on the wall. The frame and the wooden square, the general master is just beating the foaming agent, and the wooden block is known to adjust the horizontal verticality, but this iron frame is not common.
special polyurethane products; The mixture comes out of the tank mouth through the internal air pressure and comes into contact with the water molecules in the air or contact, and the expansion and solidification reaction occurs, forming foam; itIt can play the role of filling, sealing, bonding, sound insulation, etc.; It's all about money. Normally, styrofoam is divided into a dozen pieces. It plays a role in caulking, heat expansion and cold contraction.
Personally, I think that the wetting effect is still dependent on the connecting plate through the steel nails. After the installation is completed, the foaming agent will be used to cut off the structural glue between the door or the window and the wall, and the styrofoam is left, or it can't be removed, and finally ask the customer if the door is still wanted, they say no, we use a sledgehammer, crowbar smashed down. This is a personal opinion, don't spray if you don't like it.
Fill in the gaps. You may feel that the foaming agent is very soft, not strong at all as for the indoor wooden door with a little styrofoam on the line, our home is decorated for ten years, the carpenter is my friend, the wooden door at home is all styrofoam installation, rotten, too humid environment makes the door cover board quickly broken, more serious door cover deformation can not close the door, so the use of styrofoam is the only choice, now are solid wood composite doors, styrofoam dry after there is no pollution problem. So far, there is no problem, and it is very strong.
In this way, the doors and windows installed will be knotted, and the use of foaming agent will be seen, especially when installing the door frame, the styrofoam will be used more, and even the indoor finished wooden door will be fixed by styrofoam, so is the styrofoam fixed door frame firm? Let's talk about it. , so you can only make holes on both sides of the door frame, nail the cork, and then nail the nail.
There are also door stalls installed after the door, you can drill holes in the position of the stopper, nail the cork, and then nail, or screw. Really?
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It should be removed with some pocket knife, and it should be removed with some dish soap water, so that it will be fine and it will become very beautiful.
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The spilled part should be allowed to solidify naturally, and finally removed with a shovel and thrown into the trash can for disposal.
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Personally, I think that the spilled parts must be wiped off and disposed of as soon as possible, after all, I think they are very aesthetically detrimental.
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After the window frame is installed, the foaming agent is used, and its functions are:
1. Prevent the plastering mortar plugging joints from affecting the problem that doors and windows cannot be deformed freely due to temperature changes.
2. In order to fix the window frame, the window should be foamed on all sides, and the bottom of the door depends on the actual situation.
3. It can play the role of waterproofing.
4. It plays the role of sealing the window frame. In construction, it is usually necessary to fix the window frame on the wall as required, and then fill the gap between it. After the window frame is installed, the foaming agent is used to fill the gaps.
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Normal is controlled at 2 centimeters, so that the effect of glue is better, if the gap is too small, you can use a special small nozzle to solve the problem, if the gap is too much, the amount of styrofoam will increase, resulting in waste, and if you play a large gap, you should use a good styrofoam, low quality styrofoam viscosity, expansion, suspension are very poor, resulting in greater waste.
There are no industry norms, they are all conventional.
Precautions for blowing foam: After the window installation and correction is completed, the polyurethane styrofoam should be filled, and the void should be cleaned before filling, and there should be no garbage, etc., and the styrofoam should be continuously filled without intermittent and perforated voids.
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Window blowing agent.
It is a prop that is often needed, if you try it for the first time, it will take a lot of preparation, if the window foam is not ready, how to remedy? Generally, this kind of work requires professional workers, if you don't know how to do it, don't fool around, be careful of backfire. Now, let's take a look at the answers provided by this site!
Do you have to fill up the window foaming agent?
1. Plastic steel windows.
The styrofoam can not be full (whether the pre-foaming or post-foaming styrofoam will re-expand), the post-foaming styrofoam workers are more convenient to construct, and the filling of 60% and 70% can be.
2. Blowing agent is applied in the gap between the plastic steel doors and windows and the wall, as long as it is to solve the problem that the doors and windows cannot be freely deformed due to temperature changes due to the impact of plastering mortar plugging. It can not fully play a sealing role (because there are always discontinuous parts after foaming of the foaming agent), and the waterproof and sealing problems are mainly caused by the sealant in the dark corner between the door, window and the wall plastering surface after plastering.
Settle. How to remedy the window foam is not laid
Find a professional window installer to help you remedy it, or you can only use it, and then overhaul it if something goes wrong.
After the styrofoam is finished, be sure to carefully check whether the styrofoam is evenly and full. If there is a part that is ventilated or separated from the wall, the styrofoam should be cleaned and re-primed. After the styrofoam is completed, it should be uniform and full, without air leakage and light transmission.
If we hit the styrofoam on the window frame or the wall, we should clean it before the styrofoam has not solidified. If the styrofoam has dried thoroughly, it is recommended to use a plastic scraper or a special solvent to remove it.
How to choose a blowing agent
When purchasing foaming agent, we must pay attention to the foaming situation of the foaming agent, only the foaming agent with uniform foaming, moderate foaming and green environmental protection is a good foaming agent. When choosing, we should first pay attention to the quality of the blowing agent, and only the qualified blowing agent can be put into production with confidence. When choosing, it is best to cooperate with powerful brand leaders, and the quality and environmental protection are guaranteed.
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The purpose of filling the gap between the window frame and the wall is to fill the gap, and there is no need for other treatments.
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After playing the foaming agent, it is good to glue directly, the upper and lower left and right front and back of the frame have to be played, and there can be no leakage, otherwise there will definitely be water leakage, in fact, if the window is a blank or filled with cement slurry, it is much stronger than the foaming agent.
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You should wait for the blowing agent to set, and then remove any excess blowing agent so that the window edge looks smoother.
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After the foaming agent is dry, repair the excess with a knife, fill it with plaster, and apply paint of the same color as the wall.
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You can use a utility knife to cut off the spilled part, so that the edge of the window looks very flat and beautiful.
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It should be scraped directly along the edge of the window with a knife. This is a perfect way to dispose of spilled blowing agents. And it's good-looking.
Whip the styrofoam. When we fix the main frame of the window and the opening, and find the main frame of the window to the verticality and horizontality, then use the gap between the hairspray openings.
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